HIGH
CVE-2016-5645
CWE-284Published: August 24, 2016· Updated: Jun 17, 2026
7.3
CVSS v3.1
Official Description
Rockwell Automation MicroLogix 1400 PLC 1766-L32BWA, 1766-L32AWA, 1766-L32BXB, 1766-L32BWAA, 1766-L32AWAA, and 1766-L32BXBA devices have a hardcoded SNMP community, which makes it easier for remote attackers to load arbitrary firmware updates by leveraging knowledge of this community.
Technical Analysis
CVE-2016-5645 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Vendors & Products
rockwellautomation6 product(s)
1766-l32awa1766-l32awaa1766-l32bwa1766-l32bwaa1766-l32bxb1766-l32bxba
Source: NVD CPE · 6 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://ics-cert.us-cert.gov/advisories/ICSA-16-224-01Mitigation · Third Party Advisory · US Government Resource
→
https://ics-cert.us-cert.gov/advisories/ICSA-16-224-01Mitigation · Third Party Advisory · US Government Resource
Quick Facts
CVE IDCVE-2016-5645
CVSS Score7.3 / 10
SeverityHIGH
WeaknessCWE-284
CISA KEVNo
Affected1 vendor(s)
PublishedAug 24, 2016
Related CVEs (CWE-284)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2016-5645 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.